ATE44738T1 - Verfahren zur gewinnung von trioxan aus waessrigen loesungen durch hochdruck-extraktion. - Google Patents
Verfahren zur gewinnung von trioxan aus waessrigen loesungen durch hochdruck-extraktion.Info
- Publication number
- ATE44738T1 ATE44738T1 AT85106647T AT85106647T ATE44738T1 AT E44738 T1 ATE44738 T1 AT E44738T1 AT 85106647 T AT85106647 T AT 85106647T AT 85106647 T AT85106647 T AT 85106647T AT E44738 T1 ATE44738 T1 AT E44738T1
- Authority
- AT
- Austria
- Prior art keywords
- temperature
- pressure
- extracting agent
- trioxane
- solution
- Prior art date
Links
- BGJSXRVXTHVRSN-UHFFFAOYSA-N 1,3,5-trioxane Chemical compound C1OCOCO1 BGJSXRVXTHVRSN-UHFFFAOYSA-N 0.000 title abstract 6
- 238000000034 method Methods 0.000 title abstract 3
- 238000000605 extraction Methods 0.000 title abstract 2
- 239000007864 aqueous solution Substances 0.000 title 1
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 abstract 12
- 239000003795 chemical substances by application Substances 0.000 abstract 7
- 239000007788 liquid Substances 0.000 abstract 2
- 238000000926 separation method Methods 0.000 abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 2
- 238000002955 isolation Methods 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D323/00—Heterocyclic compounds containing more than two oxygen atoms as the only ring hetero atoms
- C07D323/04—Six-membered rings
- C07D323/06—Trioxane
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/54—Improvements relating to the production of bulk chemicals using solvents, e.g. supercritical solvents or ionic liquids
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Extraction Or Liquid Replacement (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Heterocyclic Compounds That Contain Two Or More Ring Oxygen Atoms (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19843421300 DE3421300A1 (de) | 1984-06-08 | 1984-06-08 | Verfahren zur gewinnung von trioxan aus waessrigen loesungen durch hochdruck-extraktion |
| EP85106647A EP0167784B1 (de) | 1984-06-08 | 1985-05-30 | Verfahren zur Gewinnung von Trioxan aus wässrigen Lösungen durch Hochdruck-Extraktion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE44738T1 true ATE44738T1 (de) | 1989-08-15 |
Family
ID=6237885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT85106647T ATE44738T1 (de) | 1984-06-08 | 1985-05-30 | Verfahren zur gewinnung von trioxan aus waessrigen loesungen durch hochdruck-extraktion. |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4946561A (de) |
| EP (1) | EP0167784B1 (de) |
| JP (1) | JPH0774212B2 (de) |
| AT (1) | ATE44738T1 (de) |
| CA (1) | CA1236842A (de) |
| DE (2) | DE3421300A1 (de) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01138160A (ja) * | 1987-11-20 | 1989-05-31 | Kubota Ltd | 繊維補強無機質製品の製造方法 |
| JPH02217344A (ja) * | 1989-02-17 | 1990-08-30 | Mitsubishi Kasei Corp | 炭素繊維強化水硬性複合材料 |
| US5275751A (en) * | 1992-12-22 | 1994-01-04 | Alliedsignal Inc. | Azeotrope-like compositions of trifluoromethane, carbon dioxide and sulfur hexafluoride |
| US5767294A (en) * | 1993-02-17 | 1998-06-16 | Hoechst Celanese Corporation | Process for the production of trioxane from formaldehyde |
| US5562808A (en) * | 1993-09-21 | 1996-10-08 | Pharm-Eco Laboratories, Inc. | Method and apparatus for decontaminating a liquid surfactant of dioxane |
| DE59510758D1 (de) * | 1994-09-29 | 2003-09-11 | Ticona Gmbh | Naturumlaufreaktor und Verwendung |
| CA2673572A1 (en) * | 2007-01-25 | 2008-07-31 | Basf Se | Removal of trioxane from a trioxane/formaldehyde/water mixture by means of pressure-swing rectification |
| CA2981074C (en) | 2015-04-14 | 2023-03-28 | Cartiva, Inc. | Tooling for creating tapered opening in tissue and related methods |
| CN105854348A (zh) * | 2016-05-27 | 2016-08-17 | 通化谷红制药有限公司 | 一种中药提取液高效裂解自动控制装置 |
| CN107417662A (zh) * | 2017-07-03 | 2017-12-01 | 湖北三里枫香科技有限公司 | 一种液体酸型三聚甲醛生产工艺方法及萃取反应塔 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2304080A (en) * | 1940-01-11 | 1942-12-08 | Du Pont | Preparation of alpha trioxymethylene |
| US2347447A (en) * | 1942-04-30 | 1944-04-25 | Du Pont | Preparation of trioxane |
| DE1493190C3 (de) * | 1963-04-16 | 1980-10-16 | Studiengesellschaft Kohle Mbh, 4330 Muelheim | Verfahren zur Trennung von Stoffgemischen |
| BE656705A (de) * | 1963-12-05 | |||
| NL132133C (de) * | 1965-05-04 | |||
| FR1459000A (fr) * | 1965-07-28 | 1966-04-29 | Houilleres Bassin Du Nord | Procédé perfectionné pour la préparation du trioxanne |
| US4349415A (en) * | 1979-09-28 | 1982-09-14 | Critical Fluid Systems, Inc. | Process for separating organic liquid solutes from their solvent mixtures |
| US4250331A (en) * | 1979-10-09 | 1981-02-10 | E. I. Du Pont De Nemours And Company | Removal of organic acids from dilute aqueous solutions of salts of organic acids by supercritical fluids |
| DE3011335A1 (de) * | 1980-03-25 | 1981-10-01 | Basf Ag, 6700 Ludwigshafen | Verfahren zur reinigung von trioxan |
| US4437938A (en) * | 1981-07-17 | 1984-03-20 | The Halcon Sd Group, Inc. | Process for recovering ethylene oxide from aqueous solutions |
| JPH086975A (ja) * | 1994-06-21 | 1996-01-12 | Toshiba Corp | 回路図用ｃａｄ装置 |
-
1984
- 1984-06-08 DE DE19843421300 patent/DE3421300A1/de not_active Withdrawn
-
1985
- 1985-05-30 DE DE8585106647T patent/DE3571617D1/de not_active Expired
- 1985-05-30 AT AT85106647T patent/ATE44738T1/de not_active IP Right Cessation
- 1985-05-30 EP EP85106647A patent/EP0167784B1/de not_active Expired
- 1985-06-06 US US06/741,754 patent/US4946561A/en not_active Expired - Fee Related
- 1985-06-07 JP JP60122864A patent/JPH0774212B2/ja not_active Expired - Lifetime
- 1985-06-07 CA CA000483498A patent/CA1236842A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US4946561A (en) | 1990-08-07 |
| EP0167784A1 (de) | 1986-01-15 |
| JPS6156178A (ja) | 1986-03-20 |
| EP0167784B1 (de) | 1989-07-19 |
| JPH0774212B2 (ja) | 1995-08-09 |
| DE3571617D1 (en) | 1989-08-24 |
| CA1236842A (en) | 1988-05-17 |
| DE3421300A1 (de) | 1985-12-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| ATE44738T1 (de) | Verfahren zur gewinnung von trioxan aus waessrigen loesungen durch hochdruck-extraktion. | |
| KR890011555A (ko) | 농축된 담배 추출물의 제조방법 | |
| EP0399573A3 (de) | Verfahren zur Wiedergewinnung von Aminosäuren aus wässerigen Mischungen | |
| DE3263815D1 (en) | Process for the extraction of bitter compounds and tannins from hops and the use thereof | |
| EP0206739A3 (de) | Orangengeschmacks- und -aromazusammensetzungen, erhalten durch Extraktion von organischen Verbindungen mit Orangengeschmack und Orangenaroma mit verdichtetem Gas | |
| GB964998A (en) | The separation of ketones from aqueous mixtures thereof | |
| US2962372A (en) | Columbium and tantalum separation | |
| GB1513196A (en) | Process for the digestion of the hemi-celluloses of xylan-containing natural products to obtain xylose therefrom | |
| KR930004320A (ko) | 가수분해형 불용성 타닌의 제조방법 및 그 불용성타닌에 의한 폐액처리방법 | |
| KR880001186A (ko) | 반도체 기판의 도포용 재료로 유용한 노볼락 수지의 정제 방법 | |
| JPS63224785A (ja) | 尿素の加水分解方法 | |
| US3501501A (en) | Extraction of maltol | |
| US3266933A (en) | Process for the extraction of aqueous sugar solution resulting from the hydrolysis of lignocellulosic material | |
| US4256628A (en) | Sulfur-free acidulation of tall oil soap | |
| GB1128104A (en) | A process for the production of concentrated phosphoric acid | |
| RU2049727C1 (ru) | Способ извлечения редкоземельных элементов из апатита | |
| DE69211671T2 (de) | Prozess zur abtrennung der wässrigen phase von zelluloseacetat | |
| US3453253A (en) | Method of selectively extracting the alkali metal salts of tall oil fatty and resin acids from alkaline black liquor | |
| GB1045119A (en) | Manufacture of adiponitrile | |
| EP0353728A3 (de) | Verfahren zur Extraktion von Aminosäuren aus wässerigen Lösungen | |
| DE69322761T2 (de) | Wiedergewinnung von mit Kaffein beladener Aktivkohle unter Verwendung von organischen Solventen | |
| EP0257536A3 (de) | Verfahren zur Aufarbeitung von wasserlöslichen Cellulosederivaten mit hohen Flockungspunkten | |
| GB1385384A (en) | Mixtures of hydrogen peroxide with non-aqueous compounds | |
| US3505316A (en) | Recovery of diosgenin from dioscorea root material | |
| EP0683162A1 (de) | Abtrennung von Molybdän Katalysatoren |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| REN | Ceased due to non-payment of the annual fee |